<template>
    <div>
      <!--      面包屑导航区域-->
      <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
<!--      卡片式图-->
      <el-card>
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input v-model="queryInfo.query" clearable @clear="getGoodsList" placeholder="请输入内容" class="input-with-select">
              <el-button @click="getGoodsList" slot="append" icon="el-icon-search"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button @click="goAddpage" type="primary">添加商品</el-button>
          </el-col>
        </el-row>
<!--        table表格区域-->
        <el-table :data="goodsList" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column width="95px" label="商品价格(元)" prop="goods_price"></el-table-column>
          <el-table-column width="70px" label="商品重量" prop="goods_weight"></el-table-column>
          <el-table-column width="140px" label="创建时间">
            <template slot-scope="scope">
              {{scope.row.add_time | dataFormat}}
            </template>
          </el-table-column>
          <el-table-column width="130px" label="操作">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button @click="removeById(scope.row.goods_id)" type="danger" icon="el-icon-delete" size="mini"></el-button>
            </template>
          </el-table-column>
        </el-table>
<!--        分页区域-->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          background
          :total="total">
        </el-pagination>
      </el-card>
    </div>
</template>

<script>
export default {
  name: 'List',
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        // 搜索关键字
        query: '',
        // 当前页码值
        pagenum: 1,
        // 每页显示多少条数据
        pagesize: 10
      },
      // 商品列表
      goodsList: {},
      // 总数据条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据分页获取对应的商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods/', {
        params: this.queryInfo
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 当前页码值发生改变
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 删除商品
    async removeById (id) {
      const confimResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confimResult !== 'confirm') {
        return this.$message.info('已经取消删除')
      }
      const { data: res } = await this.$http.delete('goods/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    // 添加商品
    goAddpage () {
      this.$router.push('goods/add')
    }
  }
}
</script>

<style scoped lang="less">

</style>
